Radio Make and Model: ham jumbo mk1
PCB Number:
PLL Number:
Test gear available: dmm scope freq counter
Symptoms: radio all works fine but on usb rx and tx I get a constant carrier of about 5dB rx and about 4w tx

What is working: everything

What has been tried: nothing as yet

Did it suddenly happen ?:
Anything else that may be of help?: only mod is uk 40 which I am going to remove